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1/2x=215
We move all terms to the left:
1/2x-(215)=0
Domain of the equation: 2x!=0We multiply all the terms by the denominator
x!=0/2
x!=0
x∈R
-215*2x+1=0
Wy multiply elements
-430x+1=0
We move all terms containing x to the left, all other terms to the right
-430x=-1
x=-1/-430
x=1/430
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